Best reusable header gasket(and best silly cone)
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Best reusable header gasket(and best silly cone)

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    Senior Member H20MOFO's Avatar
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    Default Best reusable header gasket(and best silly cone)

    I just bought some copper exhaust gaskets from jegs for 25.99, that's as cheap as I can get the metal oe ones for a rect. port chevy. I dunno ..now that it's too late...what would you guys run? My passenger side bassett must be tweaked good. I'll try to edit in a pic or 2 when the camera charges. If the copper doesn't fly, what flavor silly cone do I use.... the redish orange high temp perma tack?? Yes I'm going to try the best to fix the warpage the best I can with the funds I have to work with(none but a file). I know this question isn't quite along the cerebral lines of the turbo thread The silicone sounds great if it would work, it also sounds like a pia for as many times as I swap headers.
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    gn7
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    Quote Originally Posted by H20MOFO View Post
    I just bought some copper exhaust gaskets from jegs for 25.99, that's as cheap as I can get the metal oe ones for a rect. port chevy. I dunno ..now that it's too late...what would you guys run? My passenger side bassett must be tweaked good. I'll try to edit in a pic or 2 when the camera charges. If the copper doesn't fly, what flavor silly cone do I use.... the redish orange high temp perma tack?? Yes I'm going to try the best to fix the warpage the best I can with the funds I have to work with(none but a file). I know this question isn't quite along the cerebral lines of the turbo thread The silicone sounds great if it would work, it also sounds like a pia for as many times as I swap headers.
    The redhi temp or the copper stuff will work. Don't even try the coppper gasket without some silicon. But don't think that the silicone is going to get you out of a badly warped header flange. The exhaust can blow that stuff out just as easy as standard header gasket material. Sometimes you are actually better off with 2 standard type gaskets on a warped flange. If you know there is a dip in the flange, like the center two ports, cut the flange to seperate it from the other pipes, it so that portion can pull down flat. Better than constantly blowing gaskets.



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    Cantard 71hallett's Avatar
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    Quote Originally Posted by gn7 View Post
    Sometimes you are actually better off with 2 standard type gaskets on a warped flange.
    x2 The ones that come in an engine kit or for stock type manifolds Kreg.
    Quote Originally Posted by gn7 View Post
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    Resident Ford Nut Sleeper CP's Avatar
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    Permatex Ultra Copper or Ultra Black:

    http://www.permatex.com/products/Aut...sket_Maker.htm


    Both work great and I don't ever recall a blow-out even run after run on the Nos. Great stuff.

    Put a bead on and let it set-up a bit then bolt it down.

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    Senior Member TurboNova's Avatar
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    Try these gaskets, I had the copper gaskets but went to these. They are thick but smash down when you tighten them. Great for headers that are not quite straight. They are also coated with graphite. Even better no silicone. I have used a bunch of these on turbo engines and na headers too.

    http://www.remflex.com/

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    Senior Member Josh@JBP's Avatar
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    Although not cheap and only somewhat reusable, I always thought Earls pressure master were a pretty trick set of gaskets. I ran these style on my street car (aluminum heads and headers) no leaks and i never turned a wrench.


    http://www.summitracing.com/parts/EAR-29D04BERL/


    ......wow these have gone up in price($39.99) since '01, but if your chasing an annoying leak it may be worth it

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    Senior Member H20MOFO's Avatar
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    Thanks for the suggestions guys, I may split he flange between cylinders. Here is a pic that shows the blow by. Keep in mind I used these gaskets.......alot.lol
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    Senior Member Marcsrollin's Avatar
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    I sell a TON of these at work on a regular basis! No one has ever complained , or came back , and i sell them to people who constantly blow out gaskets.


    http://store.atechmotorsports.com/pa...5&autoview=sku
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    gn7
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    Everybody has a favorite gasket that works for them. But if your flanges are jacked up, a tube of silicone on a stack off copper, or mineral gasket isn't going to save your ass. The biggest problem have found with most headers out there is the flanges are too thin and warp over time. A good header should have a 3/8 flange, and most have a 5/16 or even 1/4 flange.



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    on the subject of the above gaskets mentioned...can they be used with logs? or is there another way to go!

    FastRat

  13. #11
    Boat Nut sleekcrafter's Avatar
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    Quote Originally Posted by H20MOFO View Post
    Thanks for the suggestions guys, I may split he flange between cylinders. Here is a pic that shows the blow by. Keep in mind I used these gaskets.......alot.lol

    Looks like the wrong port design gasket, The bassett headers have a pretty big opening on them, probly bigger than the square port gasket can manage to seal.
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    Senior Member H20MOFO's Avatar
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    Quote Originally Posted by sleekcrafter View Post
    Looks like the wrong port design gasket, The bassett headers have a pretty big opening on them, probly bigger than the square port gasket can manage to seal.
    The bassetts are roundish and the ports on my brodix heads are more square, I assume you all can see the 2 burnt spots(leaks) on both the gasket and the corresponding cylinders. I'll edit in a pic,the headers are larger than exhaust ports on the heads..if that makes sense.
    Last edited by H20MOFO; 01-05-2010 at 08:02 PM.
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    Boat Nut sleekcrafter's Avatar
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    To me it appears they are burning out the corners. The ex ports appear to be D ports, I think the round gaskets would work fine, something closer to the header opening would crush /seal better.
    Upper Midwest Power Boat Association
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    Half a bubble off jrork's Avatar
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    Actually Kreg you have brought up a great question. Which is better, a gasket that is closer to the diameter of the port or one that is closer to the diameter of the exhaust.

    In my case, Chev iron heads (classic 990 style) and Borla 2 1/4" headers...


    Thanks a bunch..........john

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